9 Swimsuits Worn by Gigi Hadid, Hailey Bieber and More Stars

Hailey Bieber shows off her toned abs in a crop top with drawstring cargo slacks

Ariana Grande, Miley Cyrus, Selena Gomez and Hailey Bieber sign 'Bans Off Our Bodies' petition

Gigi Hadid shows off style credentials in a chic double denim ensemble on a rare night out in NYC